Skip to content Weatherlens
Weather data: Open-Meteo.com (CC BY 4.0)
Historical data, no forecasts. Climate normals based on 30-year average.
Copernicus/ERA5 : Contains modified Copernicus Climate Change Service information. Neither the European Commission nor ECMWF is responsible for any use of the information.
Weather Reports API Privacy Contact RSS
Viroinval — Weatherlens — Weatherlens
Belgium / Viroinval Namen
Updated -1 hours ago ↓ 9.35°C/decennium </> Embed code
Share link Share as image
Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
🌡 Temperature May
i Average daily temperature based on hourly measurements at 2 meters above ground. 13.2°C
+0.2 °C vs normal
🌧 Precipitation May
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine May
i Total hours of direct sunshine (>120 W/m²). 340.6u
+15.5 u vs normal
💨 Wind May
i Average wind speed at 10 meters above ground. 11.3km/h
☁ Cloud cover May
i Average cloud cover as a percentage of the sky. 55.4%
💧 Humidity May
i Average relative humidity at 2 meters above ground. 69.7%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary May 2025 had an average temperature of 13.2°C, close to normal. It was drier than usual: 65.5mm of rain, 13% less than normal. Sunshine was close to average with 341 hours.
gloomiest 40% — sunshine(#4/5)
Did you know...~ 97% less rain than normal (May)— 3 summer days (max ≥ 25°C)! Daily record: 25.9°C on 1 May
Records 🔥
36.2 °C
Hottest day
27/06/2026
🥶
-6.8 °C
Coldest day
19/01/2024
🌊
47.799995 mm
Wettest day
22/06/2023
☀
15.691614583333333 u
Sunniest day
21/06/2025
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2025 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — May 2025
Dir % Avg N 19.9% 11.3 km/h NE 22.8% 11.1 km/h E 7.7% 9.6 km/h SE 5.4% 7.4 km/h S 7.5% 7.9 km/h SW 19.8% 14.2 km/h W 6.6% 13.9 km/h NW 10.3% 10.6 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table